Question

Error Found: The Direct3D feature level support test detected the following errors:

Application DirectXApplication.App was not running at the end of the test. It likely crashed or was terminated for having become unresponsive.

Impact if not fixed: Windows Store requires all applications using Direct3D to render properly on feature level 9_1. See the following link for more information:
Certification requirements for Windows apps

How to fix: Ensure that your app renders correctly on Direct3D feature level 9_1, even if you expect it to run at a higher feature level. See the following link for more information:
Developing for different Direct3D feature levels